﻿CATALOGUE 
  

  

  OF 
  

  

  FOSSIL 
  FISHES, 
  

  

  PART 
  III. 
  

  

  Order 
  II. 
  ACTINOPTERYGII 
  {continued). 
  

   Suborder 
  I. 
  CHONDROSTEI 
  [continued). 
  

  

  Family 
  CATOPTERID^E. 
  

  

  Trunk 
  elongate 
  or 
  elongate- 
  fusiform 
  ; 
  tail 
  abbreviate-heterocercal. 
  

   Head-bones 
  well 
  developed, 
  ganoid; 
  no 
  median 
  series 
  of 
  cranial 
  

   roof-bones 
  ; 
  teeth 
  slender, 
  conical 
  ; 
  eye 
  far 
  forwards 
  and 
  snout 
  

   prominent 
  ; 
  mandibular 
  suspensorium 
  more 
  or 
  less 
  obliquely 
  directed 
  

   backwards 
  and 
  downwards. 
  A 
  series 
  of 
  branchiostegal 
  rays 
  present. 
  

   Dorsal 
  fin 
  single 
  and 
  not 
  much 
  extended. 
  Scales 
  rhombic, 
  ganoid. 
  

  

  Synopsis 
  of 
  Genera. 
  

  

  Origin 
  of 
  dorsal 
  fin 
  behind 
  that 
  of 
  the 
  anal 
  Catopterus 
  (p. 
  1). 
  

  

  Origin 
  of 
  dorsal 
  fin 
  not 
  behind 
  that 
  of 
  the 
  anal 
  Dictyopyye 
  (p. 
  4). 
  

  

  Genus 
  CATOPTERUS, 
  J. 
  H. 
  Kedfield. 
  

  

  [Ann. 
  Lyceum 
  Nat. 
  Hist. 
  New 
  York, 
  vol. 
  iv. 
  1837, 
  p. 
  39.] 
  

  

  Trunk 
  elegantly 
  fusiform, 
  and 
  head 
  relatively 
  small. 
  External 
  

  

  bones 
  more 
  or 
  less 
  ornamented 
  with 
  ridges 
  and 
  tubercles 
  of 
  ganoine. 
  

  

  Fins 
  of 
  moderate 
  size, 
  consisting 
  of 
  robust 
  rays, 
  more 
  or 
  less 
  

  

  enamelled, 
  and 
  distaily 
  bifurcating 
  ; 
  fulcra 
  well 
  developed. 
  Dorsal 
  

  

  PART 
  III. 
  JB 
  

  

  